ASoC: SOF: Intel: hda-loader: keep init cores alive

init_core_mask should be the available cores mask after fw boot. So we
should keep not core 0 but init cores alive.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210128093850.1041387-3-kai.vehmanen@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>